class Student {
    school = "清华大学"
    constructor(name) {
        this.name = name
    }
}

s1 = new Student("jackie")
s2 = new Student("linda")
console.log(s1.school)
console.log(s2.school)

s1.school="北京大学"

console.log(s1.school)
console.log(s2.school)


Student.school="复旦大学"

console.log(s1.school)
console.log(s2.school)

console.log(Student.school)

